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, 2 Sheets-Sheet 1. W. F,.,`J. P. 8v J. G. AHLBRT.

` VBLOGIPEDE. No. 287,989. I Patented Nov. 6, 1883.

(No Model.)

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, 2 Sheets-Sheet' 2.

W. F., J. P. & J. G. AHLBRT.

,VELOGIPEDR f No. 287,989.l M `Patented Nov. 6, 1883.

(No Model.)

FIGA- Nv PETERS. Pmmwogmmr. wminmm n. c.

A .UNITE-D STATESN PATENT Ovinos.-

VVILLIAM F. AHLERT, JOSEPH P. AHLERT, ANDA JOHN G. AHLERT, OF SAN FRANCISCO, CALIFORNIA.

vELoclPEoE.

SPECIFICATION forming part of Letters Patent No. 287,989, dated November 18533 Application tiled May 10, 1883. (No model.)

To a/ZZ whom it may con/cern,.-

Beit known that we, W'ILLIAM F. Anrnn'r,

Josnrn l?. Arrnnnr, and Jornv G. AHLERT,

citizens of the United States, residing at San Francisco, in the county of San Francisco and State of California, have invented certain new and useful Improvements in Velocipedes, of which the following is a specification.

Our invent-ion relates to certain new and useful improvements in single-wheel velocipedes or monocycles, and more particularly to certain improvements upon a device for which Letters Patent of the United States were granted to Joseph Ahlert on the 23d day of May, 1882, No. 258,207, for improvements in velocipedes; and the obj ects'of our invention are, rst, to provide a monocycle in which motion is imparted to the carrying-wheel by l means of vibrating sectors keyed upon the hub 2o ofthe carryingwheel, and connected by means of cords or wires to pedals moved in an alternate reciprocating manner; second, to provide a new and improved arrangement of the supporting `bars and rods of the saddle; third, to provide an improved form of construction for the main carrying-wheel; fourth, to provide a single-wheel velocipede with an improved brake; and, also, to other details of construction, which will be hereinafter more fully del 3o scribed. XVe accomplish these objects by the mechanism illustrated in the accompanying drawings, in which- Figure 1 isa side elevation, showing" the principal working parts of ourl velocipede. Fig. 2 is a detail view, showing the manner of attaching the seat or saddle to the axle. Fig.

3 is a sectional side view of one of the sect0rs.

Fig. 4 is a vertical sectional view of thelower half ofthe wheel, showing the foot-board and driving mechanism. Fig. 5 is a horizontal sectional view` ofthe velocipede. Fig. 6 is a sectional planview of the roller-handle. Fig. 7 is a plan view of the brake. lFig. 8 is a crosssection through the rim of the carrying-A wheel. Fig. 9 is a sectional plan view, showing'the ropecarrying tube.

VSimilar letters of reference are used to des; ignate like parts throughout the several-views. A represents the carrying-wheel, which'may 5o b'for'med in the usual manner; bu't'we prefer to construct itin the manner shown in Fig. S-e that is tosay, the i'elly A is constructed of gas-pipe, to which a second or outer band or' piping, A2, is iirmly attached. This outer cirp cular band is formed from a piece of pipe' 5 5' which has been divided or sawed apart lengthwise, so that when placed in position it will form a wheel having a concave face adapted to receive and sustain the rubber tire A3. The semi-cylindrical band AL is attached to the 6o main felly by means of screw-bolts A4, which are rst passed through the gas-pipe A', and then enter the band A2, and are headed down upon the concave side of the same. A small plate, B,'is then passed over the inner end of 6 5 the bolt, and the ends of the tangent trusses or stay-rodsB are made fast to the opposite ends thereof, as shown in Fig. 8, and by screw ing down or slaclrening up the nut B2 upon the threaded bolt A4 the tension of said stay- 70 rods can be regulated.

At various points around the inner edge of the rim, and eqnidistant from eachl other, we

. attach the transversely -proj ectin g bows or rods C, which may rest upona small support or A standard, C', attached to the felly. I Each end of these rods is provided with two ears or lugs, as shown in Fig. 4, to the ni'iderniost of which are attached the stay-rods C2, which connect with the rim of the wheel.

Staylrods C3 are attached to the outer ends of the bows, and are extended inwardly in diverging linesfrom their point of attachment to eachend of the bows, yet each series of stayrods upon each side of the wheel converge toward a central point and are attached tothe flanged disks D l), rigidly connected to the hubs'D D', journaled upon the bent axle D. Theselast-named stay-rods are screw-threaded upon their ends, and are provided with nuts 9o and washers, whereby the tension of the same maybe regulated.l

The axle is bent outward toward the front end ofthe machine in order that spacenia'ybe left to accommodate the rider as he sitsupon the 'addle E, provided at its forward endwith af small padL E2, which prevents the rider from slrpie forward, and iS attached@ theme' by a hinged vconnection with the downwardlyg Acurved bar E', pivoted to the arde Dib'y a bolt, Io

6o outsidesectoin z n estacas yD3, in suchta manner as to permit of therider deflecti-nghis seat to either the right orleft hand side of the machine for the purpose of guiding or directing the forward motion of the same.

A short rod, D", is attached to the under side of the saddle, and is connected by a-hingejoint with the notched curved rod-D5, provided with a flat spring, D, the said rod and spring passing through and engaging with an aperture made in the lip DT, formed on the bar or rod E'.

Upon each side of the machine we firmly attach to the hubs D' the brake-wheels F F, and intermediate or between them we place the loosely-j ournaled clutch-cases G G. The hubs D' are provided with a flange or disk, H, keyed .upon the inner end thereof, and side flanges,

H' H', (which form the clutch-casa) are thenv placed upon each side of the disk. The flanges,

of which rests against acoiled spring, I', which prevents. jarring or concussion of the oper-' ating parts and keeps the wedge in continual contact with the solid sector or rocker I, which occupies the upper part of the chamber, and

has its bearing or pivotal point in the side l iianges, H' H', while its lower curved face bears upon the curved wedge above described.

Projecting outwardly from the casing or side 1 fianges, H', are radial arms, which carry the `sector or segmental wheel I", set inclined or at an angle to the plane of its revolution. 4o secondary sector, I3, is attached by suitable arms to the iiange or casing, and is of the same radius as the sector I, butis set at right angles to the plane of its revolution.

Downwardly-proj ectin g rods'J J are attached to the axle and connected together at their. lower ends by the foot-board P, as shown in` Fig. 4. Pedals J' J', having suitable frictionrollers, are adapted to slide up and down upon the vertical portion ofthe rods J, and 'are coni nected by cords J2 J 2 to the top ends of the sectors I4 1*, the said `cords passing `over the face of the sectors inthe usual manner.

I" A cord, K, is attached to the lower end of 'the sector I3, and is carried overa small fric- `.tion roller or pulley, L', and thence through the tube L, securely clipped to the under side 'of the front portion of the bent aXle D2, and thence over a pulley at the opposite end of the tube, and, made fast to the lower end of the The said pulleys L' are jour- 'naled in llugs attached to the ends of the tubes I; vLas` shown in Fig.'9. The clips which serve to retain the rope-tube-in place also support lever-handles vL2 L2, placed one on each side of the jmachine and on top of the axle within easy ,r y 5 'reach ofthe rider. The outer ends of these bind upon the face of the brake-wheel F.

handles enter a slot in one end of the curved pivoted rod L3, the opposite end of which carries the brake-shoe lVI, which is adaptedI to The heads of the iianged disks D are made sufficiently thick to receive the threads of the bolt N, which is screwed tight against the end of the stationary axle, and tends to lessen the friction of the revolving hub. The outer ends of these bolts are provided with asquare shoulder or head by which they may be set up or slackened. One of these'bolts (by preference that one upon the right-hand side of the machine) is continued out past its head, and a 8o left-hand screw-thread is turned upon such projected portion, thereby adapting it receive the rollerhandle O. The'inner end of said handie is provided with an annular recess, or with flanges which hold in place the loosely-journaled transverse handle O', all of which is clearly illustrated in Fig. 6. When the operator v wishes to move his machine without riding iii-,he screws the handle to its place. Then, by grasping the axial handle() in his right hand and pressing forward, the wheel is caused to roll over the surface of' the ground, it being steadied v and kept in an upright position by means of the backwardly-projecting handle O', which is grasped in the left hand.

When not in use, the saddle is lowered to the position shown in Fig. 2, (in order that it may not be in the way of the rider when starting the velocipede,) and is held in that position by the pressure of the spring D6 against the end of its receiving-slot.

'Ihe operation of our improved velocipede will be as follows, to wit: The rider starts the 'velocipede inthe usual manner and steps quickly upon the foot-board P, atY the same time grasping the knob on the top of rod D5, forcing it downward through the opening in the lip D'and throwing the saddle E up between Y his legs, in which position it is held by the notched rod and its spring D". rlhe rider then seats himself astride the saddle, and placing his feet upon the pedals J' J presses them M down in an alternate reciprocating manner. As the pedals slideup and down upon the vertical rods J J they produce, through the me- 115 dium of the connecting-cords J 2 and K, a vibrating or rocking movement of the sectors, which, by means of the rockers I2 I2 and curved 4wedges I I, impart a uniform rotary motion to the carrying-wheel, and the rider is easily and rapidly carried over the surface of the ground.

It should here be remarked that the cords J 2, connecting with the pedals, are those which produce a direct action upon the inner sectors andthe grippingrockers, while the cord K, which is connected to the outside sector, serves' to retract the rocker or produce a reverse revolution of the sectors upon the opposite side of the machine, this movement being Yac; complished alternately upon either side ofthe machine and placing the operating lparts in` a IOO IIO

position to be operated upon by the rider giving a downward stroke with his leg.

Having thus described our invention, what We claim, and desire 'fo-secure by Letters Patent, is-

l. A single-Wheel velooipede, in which rotation oi' the Wheel is produced by the vibration. of the sectors I3 I* and the gripping ofthe rocker I2 upon a Wedge, I, carried by the the combination of the auxiliary steering or` propelling roller handle O and sustaining or balancing handle Olooscly j nurnaled upon said handle 0, when constructed and arranged to operate substantially in the manner and for the purpose specied.

4. In avelocipede, the hinged saddle E, connected to the side swiveling rod, E', attached to the bent axle D?, and provided with a for,- wardly-proiecting perforated lip, DT, rod D", notched rod D5, and flat spring D, constructed, arranged, and operating substantially as described. e

5. In a monocycle, the combination of the rim A, rim-bows C, stay-rods C2 and C3, hubs or disks D D, `journaled upon the bent axle D2,

and carrying the slip-and-grip sectors I3 and I, connecting-cords J2 and K, and pedals J',

operating upon the downwardlyprojecting 4o rods or guides J J, connected at the bottoni by a foot-board, P, constructed, arranged, and

operating substantially as described, for the purpose specified. 6. Ina monocycle, the slip-and-grip sectors 45 I3 IJ', connected to the same hub and carrying a pivoted rocker, I2, curved Wedge I, and spring I', contained Within a casing, G, and arranged to operate substantially as shown and set forth.

7. In a monocycle, the slip-and-grip sectors 5o l I3 I3, arranged upon either side of the machine and connected by a cord, K, passing through a guidetube, L, connected to the bent axle, and operated substantially as and for the pur- S. In` a monocycle, the combination, with the brake-Wheel F, secured upon the hub of the carrying-Wheel, ofthebra-kashoe M, brakerod L, and lever-handle L2, pivoted upon the bent axle, and arranged to operate substan- 6o tially in the manner and for the purpose set forth.

In testimony that We claim the foregoing We have hereunto set our hands and' seals.

WILLIAM n. AHLnnfr. [n a] JOSEPH r. AHLERT. [L a] JOHN G. AHLERT. [n s.)

`S'Vitnesses:

Giras. E. KELLY, WILMER BRADFORD.

pose set forth. 5 5` 

